- In re Allen (11th Cir. – Georgia)
- ACLU v. Darnell (Tennessee)
- Adams v. Howerton (9th Cir. – California)
- Alons v. District Court for Woodbury County (Iowa)
- Andersen v. King County (Washington)
- Anonymous v. Anonymous (New York)
- Arizona Together v. Brewer (Arizona)
- Asbury Park v. State (New Jersey)
- Ash v. Foreman (Florida)
- Baehr v. Lewin (Hawaii)
- Baker v. Nelson (Minnesota)
- Baker v. State (Vermont)
- Bishop v. Oklahoma (10th Cir. – Oklahoma)
- Brause v. Bureau of Vital Statistics (Alaska)
- Brinkman v. Miami University (Ohio)
- Burns v. Burns (Georgia)
- Castle v. State (Washington)
- Chambers v. Ormiston (Rhode Island)
- Chambers v. State (Alabama)
- Citizens for Equal Protection v. Board of State Canvassers (Michigan)
- Citizens for Equal Protection v. Bruning (8th Cir. – Nebraska)
- City & County of San Francisco v. State (California)
- Clinton v. State (California)
- Cote-Whitacre v. Department of Public Health (Massachusetts)
- Dean v. District of Columbia (District of Columbia)
- Deane v. Conaway (Maryland)
- Defense of Marriage Coalition v. Benton County (Oregon)
- Doyle v. Galvin (Massachusetts)
- Dubofsky v. Lundberg (Colorado)
- Dunlap v. Madrid (New Mexico)
- Egolf v. Seneca (Pennsylvania)
- Flateau v. Cox (6th Cir. – Michigan)
- Flynn v. Johnstone(Massachusetts)
- Gill v. Office of Personnel Management (OPM) (1st Cir.- Massachusetts)
- Godfrey v. DiNapoli (Hevesi) (New York)
- Godfrey v. Spano (New York)
- Golden, et al. v. Paterson (New York)
- Goodridge v. Department of Public Health (Massachusetts)
- Hebel v. West (New York)
- Hernandez v. Robles (New York)
- Higgs v. State (Florida)
- Hunt v. Ake (11th Cir. – Florida)
- Jackson, et al. v. District of Columbia, et al.
- Johnstone v. Reilly (Massachusetts)
- Jones v. Hallahan (Kentucky)
- In re Kandu (9th Cir. – Washington)
- In Re Legislative Referendum No. 334, State Question 711 (Oklahoma)
- Kane v. Marsolais (New York)
- Kerrigan v. State (Connecticut)
- Knight v. Superior Court of Sacramento County (California)
- Langan v. St. Vincent’s (New York)
- Largess v. Supreme Judicial Court (1st Cir. – Massachusetts)
- Lemons, et al. v. Bradbury, et al. (Oregon)
- Lewis v. Alfaro (California)
- Lewis v. Harris (New Jersey)
- Lewis, et al. v. The New York State Department of Civil Service, et al. (New York)
- Li v. Oregon (Oregon)
- Link v. King (West Virginia)
- Lockyer v. City & County of San Francisco (California)
- Marriage Cases Consolidated (California)
- Martinez v. County of Monroe (New York)
- Martinez v. Kulongoski (Oregon)
- May v. Daniels (Arkansas)
- McCarthy v. Asbury Park (New Jersey)
- McConnell v. Nooner (8th Cir.)
- McConkey v. Van Hollen (Wisconsin)
- McConnell v. United States (8th Cir. – Minnesota)
- Merritt v. Gardner (Florida)
- Morrison v. Saddler (Indiana)
- Mullinax v. Covington (North Carolina)
- National Pride at Work, Inc. v. Granholm (Michigan)
- Nusbaum v. Modrell (Oregon)
- O’Darling v. O’Darling (Oklahoma)
- O’Kelley v. Cox (Georgia)
- O’Kelley v. Perdue (Georgia)
- Perry, et al. v. Schwarzenegger, et al. (9th. Cir. – California)
- Proposition 8 Cases: Strauss, et al. v. Horton, et al.; City and County of San Francisco, et al.; Tyler, et al. v. State, et al. (California)
- Proposition 22 Legal Defense & Education Fund v. City and County of San Francisco(California)
- Proposition 22 Legal Defense and Education Fund and Values Advocacy Council v. Gonzales (California)
- Rosengarten v. Downes (Connecticut)
- Samuels v. New York State Department of Health (New York)
- Schulman v. Reilly (Massachusetts)
- Shields v. State (New York)
- Singer v. Hara (Washington)
- Smelt v. Orange County (9th Cir. – California)
- Smelt v. United States (9th Cir. – California)
- Standhardt v. Superior Ct (Arizona)
- State v. Blackwell (Ohio)
- State v. Dunlap (New Mexico)
- Storrs v. Holcomb (New York)
- Sullivan v. Bush (11th Cir. – Florida)
- Taylor v. Berman (Florida)
- Taylor v. Clayton (Florida)
- Taylor v. Equality Florida (Florida)
- Taylor v. Forman (Florida)
- Taylor v. Merritt (Florida)
- Taylor v. Sullivan (Florida)
- Taylor v. Wilson (Florida)
- Thomasson v. Newsom (California)
- Tyler v. County of Los Angeles (California)
- Varnum v. Brien (Iowa)
- VoteonMarriage.org, et al. v. DiMasi, et al. (1st Circuit-Mass.)
- Wilson v. Ake (11th Cir. – Florida)
- Woo v. Lockyer(California)
- Wood v. Kentucky (Kentucky)